EP1902620A1 - Induktion Backsystem für Waffeln - Google Patents

Induktion Backsystem für Waffeln Download PDF

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Publication number
EP1902620A1
EP1902620A1 EP06119953A EP06119953A EP1902620A1 EP 1902620 A1 EP1902620 A1 EP 1902620A1 EP 06119953 A EP06119953 A EP 06119953A EP 06119953 A EP06119953 A EP 06119953A EP 1902620 A1 EP1902620 A1 EP 1902620A1
Authority
EP
European Patent Office
Prior art keywords
baking
mould
plates
plate
automatic wafer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP06119953A
Other languages
English (en)
French (fr)
Inventor
Nicholas Tyers Parsons
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nestec SA
Original Assignee
Nestec SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nestec SA filed Critical Nestec SA
Priority to EP06119953A priority Critical patent/EP1902620A1/de
Priority to BRPI0716136-0A2A priority patent/BRPI0716136A2/pt
Priority to US12/439,625 priority patent/US20090320694A1/en
Priority to RU2009111858/13A priority patent/RU2009111858A/ru
Priority to EP07788227A priority patent/EP2059127A1/de
Priority to CNA2007800320686A priority patent/CN101511196A/zh
Priority to PCT/EP2007/058096 priority patent/WO2008025639A1/en
Priority to CL200702521A priority patent/CL2007002521A1/es
Priority to ARP070103881A priority patent/AR062625A1/es
Publication of EP1902620A1 publication Critical patent/EP1902620A1/de
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A21—BAKING; EDIBLE DOUGHS
    • A21B—BAKERS' OVENS; MACHINES OR EQUIPMENT FOR BAKING
    • A21B5/00—Baking apparatus for special goods; Other baking apparatus
    • A21B5/02—Apparatus for baking hollow articles, waffles, pastry, biscuits, or the like

Definitions

  • the present invention relates to an apparatus for automatically baking wafers at industrial scale, preferably using induction heating.
  • Wafer products are widely used in the confectionery field and are becoming more popular as consumers seek lighter but still indulgent confectionery products.
  • the wafer category is therefore expected to grow further.
  • Wafers are baked products which are made from wafer batter - i.e. wafer dough - and have crisp, brittle and fragile consistency. They are thin, with an overall thickness usually between ⁇ 1 and 4 mm and typical product densities range from 0.1 to 0.3 g/cm3.
  • the surfaces are precisely formed, following the surface shape of the plates between which they were baked. They often carry a pattern on one surface or on both.
  • the existing industrial equipment for manufacturing low-sugar wafers comprises ovens with a series of baking moulds, each comprising two baking plates which are hinged to one another at one of their extremities.
  • the moulds are disposed one after the other, continuously circulating on a chain.
  • the first stage is the depositing of liquid batter onto the lower plate in a pair of baking plates.
  • the plates close, are locked and enter the heated zone, being disposed above a row of gas burners or electrical radient heaters.
  • the temperature of the mould plates increases and allows baking of the batter to make a wafer.
  • the mould then moves to an ejection stage where both plates of the mould pivot like jaws to open the mould and the wafer is ejected and falls onto a conveyor belt.
  • Such wafer baking systems are widely known and used but have a number of disadvantages when a technical problem arises which requires an intervention or maintenance of one mould. It is then absolutely necessary to stop the whole production line. Due to the constant movement of the moulds, the bearings and hinges between the plates tend to wear out, which can alter the gap between the plates causing substandard or low weight wafers to be produced.
  • Continuous baking systems which use induction heating to heat a single surface on which a food material is cooked.
  • EP 320 337 A1 describes a series of metal plates which move on a conveyor over induction heating coils.
  • the metal plates can be used to continuously cook food items such as omelettes.
  • US 2004/0250692 A1 describes a system for cooking sugar wafers where an endless ferromagnetic metal conveyor belt is heated from below by induction coils.
  • the present invention proposes an automatic wafer baking apparatus for baking wafers from a liquid batter or pasty dough, said apparatus comprising at least two baking moulds, each having one pair of top and lower baking plates, said apparatus further comprising moving means for moving at least one plate relative to the other so that each baking mould can move from a closed configuration to an open configuration, heating means for heating the plates to a predetermined baking temperature, means for depositing on or injecting a predetermined quantity of dough in between the baking plates of each mould, and means for removing a baked wafer from a baking mould, characterized in that each baking mould is stationary in the apparatus and is independent from the other(s).
  • the present invention brings many advantages compared to the systems known in the art. For example, due to the fact that each mould in the apparatus is stationary, it is now possible to directly connect electrical cables for current to the heating and/or monitoring system in the baking plates. This prevents wearing or disconnection and therefore avoids frequent maintenance and production incidents that usually occur when using slip rings or bus bars as described herebefore. More importantly, due to the fact that each mould in the apparatus is stationary and independent from the other(s), it is now possible to stop one mould if maintenance is required, while keeping the other moulds of the apparatus running. This is a very important advantage of the present invention over the art because it allows to guarantee that the production will not be stopped if a problem arises in one mould. More than that, individual moulds can be selectively stopped and re-started in a very flexible way, independent from the other moulds of the apparatus, i.e. while the apparatus is running in order to adjust the net output of the whole production line.
  • any module can easily be stopped and accessed for maintenance, while this was not possible in existing apparatuses since temperature stability was lost in case a gap would be created in the chain of plates. This is no longer the case with the apparatus according to the present invention, as each plate has individual temperature setting.
  • the heating means comprise a low frequency induction heating system embedded into the top and lower plates of each mould.
  • Mains electricity supplies have low frequencies, typically 50 or 60Hz. Such electricity supplies are readily available and can be used to power the induction coils without expensive inverters. In contrast, to heat a ferrous metal part through an air gap, high frequencies are required, as described above for the prior art systems.
  • Such an induction heating is particularly beneficial as it provides great flexibility at low cost and ensures that no parts of the apparatus other than the heating plates is put to high temperatures in contrast to the current gas systems where the moving means are subject to high temperatures and flames which rapidly destroy the lubrication and fragile parts of the apparatus.
  • the heating means can comprise a system of steam heated pipes disposed in the body of the baking plates, or a system of pipes incorporated into the baking plates, said pipes conveying a pumped hot fluid.
  • the apparatus of the present invention comprises at least two baking modules, each baking module comprising at least two baking moulds, and each module being independent from the other(s).
  • the capacity of the production line can be adjusted according to the needs of the production and be expanded if necessary by adding new modules to the existing ones, which are connected to the central monitoring system of the production line.
  • each plate of a baking mould is heat insulated at its outside surface using readily available insulation materials which are enclosed in an outer sheath to prevent food contamination.
  • the top plate of each mould is fixed, and wherein the moving means of the baking mould comprises:
  • each individual mould of the apparatus is independent from the others and comprises its own means for opening and closing the mould, it is very easy to change the wafer baking pressure and wafer thickness during the cook in one mould while not changing the cook parameters in the other moulds, This gives lots of flexibility in the production process and allows the cooking parameters to very precisely defined such as the closing pressure that is applied to the plates of a mould. Such a pressure has an impact on the quality of the wafer (eg. crispiness).
  • the plates of each mould are made out of cast iron or carbon steel.
  • the apparatus according to the present invention comprises a plurality of baking modules disposed in a row side by side, and further comprising a conveyor belt disposed along and in front of the baking modules for timing, collecting and conveying the wafers expelled from the moulds.
  • a non-ferrous baking plate surface is added to the heating parts of the baking plates of a mould.
  • the non-ferrous baking surface is then fixed to the heating part in a removable manner, and has two advantages.
  • the said non-ferrous baking part can have a specific shape, or embossing, and when the shape or embossing has to be changed, it is only necessary to switch to another non-ferrous baking surface.
  • each baking plate advantageously comprises a temperature probe linked to a central monitoring system, which allows to precisely monitor the cooking parameters for each individual mould of the apparatus.
  • the present invention concerns an automatic wafer baking apparatus 1 for baking wafers from a liquid or pasty dough.
  • the said apparatus comprises a plurality of baking moulds 2, each having one pair of top 3 and lower 4 baking plates, each made out of cast iron, with their external surface - i.e. the surface not in contact with the wafer batter during cooking -, which is covered by a thermally insulating material, such as Glastherm 68, an asbestos free non powdery hard sheet enclosed and sealed in an outer steel shell.
  • a thermally insulating material such as Glastherm 68, an asbestos free non powdery hard sheet enclosed and sealed in an outer steel shell.
  • a mould 2 according to the invention is illustrated in figures 1 and 2.
  • the top plate 3 of the mould 2 is fixed to the apparatus frame, while the lower plate 4 is movable relative to the top one.
  • moving means are provided which are shown in figures 3 and 4, so that the baking mould 2 can move from a closed configuration (illustrated in figure 4) to an open configuration (illustrated in figure 3).
  • the moving means comprise two cooperating systems, as follows.
  • a closing system is provided with a closing arm 5 moved by an actuator 6.
  • Said arm 5 is fixed at the lower surface of the lower plate 4 by a thermally insulated hinge bearing 7.
  • an adjustment system for precisely adjusting the position of the lower plate 4, parallel relative to the top plate 3 when the mould is in the closed configuration.
  • the adjustment system comprises a base part 8 of the lower plate 4 which is linked to the closing arm 5 - a heating part 9 of the lower plate 4 is disposed on top of the base part 8 -.
  • the base part 8 of the lower plate 4 further comprises three setting screws 10 positioned in a triangle, which contact a similar plate on the top plate 3 when the mould is closed, so as to allow to set the baking gap between the top 3 and lower 4 plates.
  • the mould 2 is put in closed configuration, and then the setting screws 10 are set - i.e. screwed or unscrewed - so that the distance between the surfaces of the top plate and lower plate is the same at each point of said plates.
  • the mould 2 is set up so that the plates are a fixed parallel gap from each other when the said mould is in the closed configuration.
  • the heating means for heating the plates to a predetermined baking temperature are not shown in the drawing but comprise a low frequency induction heating system which consists of a wire coil inserted in a groove in the back of each wafer baking plate. A closing plate is then fixed to cover the back of the wafer plate enclosing the coil and forming a magnetic circuit.
  • a low frequency induction heating system which consists of a wire coil inserted in a groove in the back of each wafer baking plate.
  • a closing plate is then fixed to cover the back of the wafer plate enclosing the coil and forming a magnetic circuit.
  • an alternating voltage applied to the coil current flows and a rapidly reversing magnetic field is set up in the plate metal. Heating of the plate is caused by eddy currents set up in the metal at molecular level.
  • the coils of this heater do not themselves heat up and remain at or near the temperature of the metal block. They thus produce the very uniformly distributed heat required to bake wafers and have an almost indefinate life.
  • This coil is connected to the main electricity via an on/off controller (not shown).
  • the controller receives a temperature signal from a probe inserted in the wafer plate and controls the power input to maintain the temperature.
  • the said coil is embedded in a specific groove 11 made into the thickness of each plate, as illustrated in figure 2.
  • Batter is placed on the lower plate in the open position from a moving arm depositor. It is also possible to inject the batter directly into the cavity formed between the plates when they are closed.
  • means for removing a baked wafer from a baking mould are also provided which include an inclined guiding plate 12 which creates a physical link between the lower baking plates 4 which is tipped over when the mould 2 is in the open configuration, as shown in figure 3, and a horizontal conveyor belt 13, as shown in figure 5, which collects, spaces and conveys the wafers to another part of the production facility, for instance a coating line or a packing line.
  • the wafer can be assisted in its release by air blowers positioned around the back and side edges of the lower plate.
  • the apparatus comprises a series of baking modules 14, as illustrated in figure 5.
  • the number of modules 14 is not limited but is greater than two. If necessary because of production constraints, one or several modules can be added to the existing ones.
  • each module 14 comprises two baking moulds 2, which are disposed side by side in the module.
  • All the modules 14 of the apparatus are linked to a central monitoring system (not shown in the drawing), which allows an operator to define baking parameters - temperature of the plates, closing pressure of the mould, etc. - for each module 14 of the apparatus 1, independently from the others.
  • Each baking plate 3, 4 comprises a temperature probe linked to the central monitoring system (not shown in the drawings). Pressure probes are also included in each mould so as to monitor the closing pressure of the plate pairs.
  • the size of the baking plates is not limited by current convention but could be as large as 2.5 x 1.5 meters or larger.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Baking, Grill, Roasting (AREA)
  • General Induction Heating (AREA)
EP06119953A 2006-09-01 2006-09-01 Induktion Backsystem für Waffeln Withdrawn EP1902620A1 (de)

Priority Applications (9)

Application Number Priority Date Filing Date Title
EP06119953A EP1902620A1 (de) 2006-09-01 2006-09-01 Induktion Backsystem für Waffeln
BRPI0716136-0A2A BRPI0716136A2 (pt) 2006-09-01 2007-08-03 sistema de cozimento de wafer por induÇço
US12/439,625 US20090320694A1 (en) 2006-09-01 2007-08-03 Induction wafer baking system
RU2009111858/13A RU2009111858A (ru) 2006-09-01 2007-08-03 Индукционная установка для выпечки вафель
EP07788227A EP2059127A1 (de) 2006-09-01 2007-08-03 Induktions-waffelbacksystem
CNA2007800320686A CN101511196A (zh) 2006-09-01 2007-08-03 感应式薄饼烘焙系统
PCT/EP2007/058096 WO2008025639A1 (en) 2006-09-01 2007-08-03 An induction wafer baking system
CL200702521A CL2007002521A1 (es) 2006-09-01 2007-08-29 Aparato para hornear obleas automaticamente desde masa liquida o viscosa que comprende moldes para hornear, con planchas de horneado superior e inferior, elementos de movimiento y calentadores para planchas, de deposito o inyeccion de masa entre plan
ARP070103881A AR062625A1 (es) 2006-09-01 2007-08-31 Sistema de horneado para obleas por induccion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06119953A EP1902620A1 (de) 2006-09-01 2006-09-01 Induktion Backsystem für Waffeln

Publications (1)

Publication Number Publication Date
EP1902620A1 true EP1902620A1 (de) 2008-03-26

Family

ID=38016824

Family Applications (2)

Application Number Title Priority Date Filing Date
EP06119953A Withdrawn EP1902620A1 (de) 2006-09-01 2006-09-01 Induktion Backsystem für Waffeln
EP07788227A Withdrawn EP2059127A1 (de) 2006-09-01 2007-08-03 Induktions-waffelbacksystem

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP07788227A Withdrawn EP2059127A1 (de) 2006-09-01 2007-08-03 Induktions-waffelbacksystem

Country Status (8)

Country Link
US (1) US20090320694A1 (de)
EP (2) EP1902620A1 (de)
CN (1) CN101511196A (de)
AR (1) AR062625A1 (de)
BR (1) BRPI0716136A2 (de)
CL (1) CL2007002521A1 (de)
RU (1) RU2009111858A (de)
WO (1) WO2008025639A1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2105051A1 (de) 2008-03-28 2009-09-30 Nestec S.A. Flexibles Auftragungssystem
WO2013124809A3 (en) * 2012-02-22 2013-11-07 Flatev Ag Method and apparatus for automatic preparation of flat bread using capsules comprising a portion of dough
ITGE20120079A1 (it) * 2012-08-03 2014-02-04 Dante Belloni Apparato per la cottura di prodotti a base di pasta alimentare da farine di cereali o simili
WO2021154580A1 (en) 2020-01-28 2021-08-05 Tigout Inc. Automatic apparatus for baking pastry products

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWM328258U (en) * 2007-04-20 2008-03-11 Tsann Kuen Entpr Co Ltd Electromagnetic induced heating baking or frying device
US7989012B2 (en) * 2007-09-26 2011-08-02 Kellogg Company Induction cooking structure and system and method of using the same
DE602009000747D1 (de) * 2009-03-19 2011-03-31 Kraft Foods R & D Inc Verfahren, Vorrichtung und Form zur Herstellung eines Konfektionsprodukts, sowie die Verwendung eines erwärmbaren Bestandteils
AT513949B1 (de) * 2013-01-18 2015-10-15 Haas Food Equipment Gmbh Backvorrichtung
CN113796396A (zh) * 2021-07-20 2021-12-17 乐必易机器人技术有限公司 一种全自动制作鸡蛋仔的装置

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Publication number Priority date Publication date Assignee Title
US1528050A (en) * 1922-08-22 1925-03-03 Westinghouse Electric Products Restaurant waffle iron
US1762959A (en) * 1925-12-28 1930-06-10 Denaro James Ice-cream-cone-making machine
US3367260A (en) * 1965-06-24 1968-02-06 Freyburger Jean Claude Device for the industrial fabrication of waffles or the like
DE1266702B (de) * 1966-01-24 1968-04-25 Johann Barthel Maschine zur automatischen Herstellung von rohrfoermigem Hohlgebaeck
CH643129A5 (en) * 1978-07-18 1984-05-30 Reese Werner Reese Technik Ing Electric multipurpose kitchen heating appliance with upper and lower heating
EP0320337A1 (de) 1987-12-01 1989-06-14 Electricite De France Vorrichtung zum Kochen von dünnen Speisen, wie Omeletten, Quiches und dergleichen
DE4038410A1 (de) * 1989-12-04 1991-06-06 Grossmann Hubert Masch Vorrichtung zum ausheben von gebaeck, insbesondere waffeln, aus backeisen
FR2672774A1 (fr) 1991-02-20 1992-08-21 Andre Vasseneix Procede de preparation de pates a cuire et machine de distribution de telles pates.
EP0759279A1 (de) * 1995-08-21 1997-02-26 Technyform Productions Automatisierter doppelseitiger Grill
US6076451A (en) * 1995-05-26 2000-06-20 Studer; Loye E. Dutch oven type cooking vessel with combination cooking surface
US6321639B1 (en) * 1999-09-22 2001-11-27 Vincenzo Misceo Machine for making ice cream cones and other food products such as pannini
US20040250692A1 (en) 2003-05-22 2004-12-16 Masterfoods Austria Ohg Apparatus for the heat treatment of foodstuffs and feedstuffs, in particular for the production of bakery products

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US3608474A (en) * 1969-07-14 1971-09-28 Procter & Gamble Apparatus for preparing chip-type products
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US3782271A (en) * 1972-04-27 1974-01-01 Itt Automatic pie apparatus
US3857331A (en) * 1972-09-19 1974-12-31 Nabisco Inc Method of and apparatus for making wafers
US4386557A (en) * 1977-08-22 1983-06-07 Meraj Paul P Heating apparatus for preparation of precooked frozen waffles
GB2098450B (en) * 1981-05-11 1985-06-12 Haas Franz Sen Wafer baking oven
US5352111A (en) * 1990-12-19 1994-10-04 Selbak's Cookie Cones, Inc. Apparatus for removing a hand held food product from a baking mold
NL9400353A (nl) * 1994-03-07 1995-10-02 Suntray Bv Inrichting en werkwijze voor de vervaardiging van gebakken vormstukken.
NL9401427A (nl) * 1994-09-01 1996-04-01 Suntray Bv Oven en werkwijze voor het met behulp van luchtverwarming bakken van vormstukken.
US5996476A (en) * 1996-07-09 1999-12-07 Schultz; George A. Device for pressing, imprinting and cooking flat bread products
US6915734B2 (en) * 1997-08-19 2005-07-12 Arios, S.A. Pizza making method and system

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1528050A (en) * 1922-08-22 1925-03-03 Westinghouse Electric Products Restaurant waffle iron
US1762959A (en) * 1925-12-28 1930-06-10 Denaro James Ice-cream-cone-making machine
US3367260A (en) * 1965-06-24 1968-02-06 Freyburger Jean Claude Device for the industrial fabrication of waffles or the like
DE1266702B (de) * 1966-01-24 1968-04-25 Johann Barthel Maschine zur automatischen Herstellung von rohrfoermigem Hohlgebaeck
CH643129A5 (en) * 1978-07-18 1984-05-30 Reese Werner Reese Technik Ing Electric multipurpose kitchen heating appliance with upper and lower heating
EP0320337A1 (de) 1987-12-01 1989-06-14 Electricite De France Vorrichtung zum Kochen von dünnen Speisen, wie Omeletten, Quiches und dergleichen
DE4038410A1 (de) * 1989-12-04 1991-06-06 Grossmann Hubert Masch Vorrichtung zum ausheben von gebaeck, insbesondere waffeln, aus backeisen
FR2672774A1 (fr) 1991-02-20 1992-08-21 Andre Vasseneix Procede de preparation de pates a cuire et machine de distribution de telles pates.
US6076451A (en) * 1995-05-26 2000-06-20 Studer; Loye E. Dutch oven type cooking vessel with combination cooking surface
EP0759279A1 (de) * 1995-08-21 1997-02-26 Technyform Productions Automatisierter doppelseitiger Grill
US6321639B1 (en) * 1999-09-22 2001-11-27 Vincenzo Misceo Machine for making ice cream cones and other food products such as pannini
US20040250692A1 (en) 2003-05-22 2004-12-16 Masterfoods Austria Ohg Apparatus for the heat treatment of foodstuffs and feedstuffs, in particular for the production of bakery products

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2105051A1 (de) 2008-03-28 2009-09-30 Nestec S.A. Flexibles Auftragungssystem
WO2013124809A3 (en) * 2012-02-22 2013-11-07 Flatev Ag Method and apparatus for automatic preparation of flat bread using capsules comprising a portion of dough
EA029764B1 (ru) * 2012-02-22 2018-05-31 Флатев Аг Устройство и способ для автоматического приготовления лепешек
US10182574B2 (en) 2012-02-22 2019-01-22 Faltev Ag Flatbread machine with an automatic flatbread preparation method based on dough capsules and a packaging system
ITGE20120079A1 (it) * 2012-08-03 2014-02-04 Dante Belloni Apparato per la cottura di prodotti a base di pasta alimentare da farine di cereali o simili
WO2021154580A1 (en) 2020-01-28 2021-08-05 Tigout Inc. Automatic apparatus for baking pastry products
US11800875B2 (en) 2020-01-28 2023-10-31 Tigout Inc. Automatic apparatus for baking pastry products

Also Published As

Publication number Publication date
CL2007002521A1 (es) 2008-05-23
CN101511196A (zh) 2009-08-19
US20090320694A1 (en) 2009-12-31
AR062625A1 (es) 2008-11-19
EP2059127A1 (de) 2009-05-20
BRPI0716136A2 (pt) 2013-09-17
RU2009111858A (ru) 2010-10-10
WO2008025639A1 (en) 2008-03-06

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Effective date: 20140417